Doctor profile · Federal record
Dr. Catharine Marshall, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · San Diego, CA
- NPI 1891877049
- Accepts Medicare
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
12395 El Camino Real, Suite 311
San Diego, CA 921303085
(858) 481-3391
fax (858) 481-9065
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- August 28, 2009
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- California #A64910
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891877049. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
108
Distinct HCPCS
4
Medicare allowed
$6,876
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 46 | 46 | $42 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 33 | 33 | $48 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 12 | $137 | |
99424 |
Principal care management services for a single high-risk disease, first 30 minutes provided personally by qualified health care professional, per calendar month. | 12 | 11 | $85 |
In context: peer comparison
Among 24 peers in this city , average services per provider: 21. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
All-time total
$400
Transactions
8
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US Inc | 3 | $209.38 | |
| Medtronic, Inc. | 1 | $98.15 | |
| MILLICENT US INC | 2 | $35.54 | |
| CooperSurgical, Inc. | 1 | $33.38 | |
| ASCEND THERAPEUTICS US, LLC | 1 | $23.44 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
185
Patients
13
Total drug cost
$32,851
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 40 | 13 | $2,473 |
| Progesterone (Progesterone, Micronized) | Brand | 25 | 0 | $879 |
| Imvexxy (Estradiol) | Brand | 19 | 0 | $7,330 |
| Estring (Estradiol) | Brand | 17 | 0 | $9,700 |
| Yuvafem (Estradiol) | Brand | 17 | 0 | $3,673 |
| Medroxyprogesterone Acetate | Generic | 15 | 0 | $183 |
| Premarin (Estrogens, Conjugated) | Brand | 15 | 0 | $6,059 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 14 | 0 | $508 |
| Tolterodine Tartrate | Generic | 12 | 0 | $468 |
| Estradiol (Twice Weekly) (Estradiol) | Brand | 11 | 0 | $1,578 |
Hospital affiliations
Frequently asked questions
What is Dr. Catharine Marshall's medical specialty?
Dr. Catharine Marshall practices Obstetrics & Gynecology Physician in San Diego, CA.
Where does Dr. Catharine Marshall practice?
Dr. Catharine Marshall practices at 12395 El Camino Real, San Diego, CA 921303085. Office phone: 8584813391.
What is Dr. Catharine Marshall's NPI?
Dr. Catharine Marshall's National Provider Identifier (NPI) is 1891877049, issued by NPPES.
Does Dr. Catharine Marshall accept Medicare assignment?
Yes. Dr. Catharine Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catharine Marshall commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.